There
are about 260 genera in tropical America,
280
genera in tropical Asia,
250 genera in tropical Africa,
and 60 genera in Oceania.

They come in so many colours, shapes and sizes; and many have clever
pollination strategies.
The Bucket Orchid
of Central America for example has a small "bucket" that attracts bees.
The bees fall in there every so often, and the only way out is through
a tube full of pollen.

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